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MimeKit

MailServiceDefaultServerCertificateValidationCallback Method

The default server certificate validation callback used when connecting via SSL or TLS.

Namespace: MailKit
Assembly: MailKit (in MailKit.dll) Version: 4.3.0
Syntax
C#
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protected static bool DefaultServerCertificateValidationCallback(
	Object sender,
	X509Certificate certificate,
	X509Chain chain,
	SslPolicyErrors sslPolicyErrors
)

Parameters

sender  Object
The object that is connecting via SSL or TLS.
certificate  X509Certificate
The server's SSL certificate.
chain  X509Chain
The server's SSL certificate chain.
sslPolicyErrors  SslPolicyErrors
The SSL policy errors.

Return Value

Boolean
true if the certificate is deemed valid; otherwise, false.
Remarks

The default server certificate validation callback recognizes and accepts the certificates for a list of commonly used mail servers such as gmail.com, outlook.com, mail.me.com, yahoo.com, and gmx.net.

See Also